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Effect of Polymer Network in Polymer Dispersed Ferroelectric Liquid Crystals (PSFLC)

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Liquid Crystalline Polymers

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Abstract

Polymer cross links chains can make a tremendous interaction with the ferroelectric ordering of a polymer stabilized ferroelectric liquid crystals (PSFLC). After suitable consideration of such interaction, we theoretically can study the effect of free volumes associated with the creation of bulk free energy of such PSFLC system. The variation of spontaneous polarization, tilt angle, rotational viscosity and dielectric constant depending on the assumed interactions can be demonstrated theoretically. A shift of transition temperature highly influenced by this interaction between polymer network and liquid crystal molecules was studied. By introducing the effect of cross-linked chains of polymer network we can also study the reduced behavior of the spontaneous polarization, the tilt angle and rotational viscosity with the increase of polymer concentration in the composite system. It was observed that the interacting cross-linked polymer chains played an important role in promoting multistability and resolution of the memory state in the composite system.

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Authors and Affiliations

  1. Department of Physics, University of Kalyani, Kalyani, 741235, West Bengal, India

    Tapas Pal Majumder Ph.D. & Tanmoy Lahiri Ph.D.

  2. Department of Physics, Government College Engineering and Textile Technology, 12 William Carey Road, Hooghly, Serampore, 712201, West Bengal, India

    Prabir Kumar Mukherjee Ph.D.

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  1. Tapas Pal Majumder Ph.D.
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  2. Tanmoy Lahiri Ph.D.
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  3. Prabir Kumar Mukherjee Ph.D.
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Correspondence to Tapas Pal Majumder Ph.D. .

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Editors and Affiliations

  1. Mechanical and Materials Engineering, Washington State University, Pullman, Washington, USA

    Vijay Kumar Thakur

  2. Mechanical and Materials Engineering, Washington State University, Pullman, Washington, USA

    Michael R. Kessler

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Pal Majumder, T., Lahiri, T., Mukherjee, P.K. (2015). Effect of Polymer Network in Polymer Dispersed Ferroelectric Liquid Crystals (PSFLC). In: Thakur, V., Kessler, M. (eds) Liquid Crystalline Polymers. Springer, Cham. https://doi.org/10.1007/978-3-319-20270-9_6

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